Initial setup work for system tests

tests/WebApi.Tests.System/compose.system.yaml

@@ -0,0 +1,69 @@
+services:
+  app:
+    build: ../../src/WebApi
+    environment:
+      Vegasco_ConnectionStrings__Default: "Host=db;Port=5432;Database=postgres;Username=postgres;Password=postgres"
+      Vegasco_JWT__Issuer: 
+      Vegasco_JWT__Authority: 
+      Vegasco_JWT__Audience: 
+    depends_on:
+      db:
+        condition: service_healthy
+      login:
+        condition: service_healthy
+
+  db:
+    image: postgres:16.3-alpine
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+    healthcheck:
+      test: pg_isready -d postgres
+      interval: 5s
+      timeout: 2s
+      retries: 3
+      start_period: 5s
+
+  login:
+    build:
+      context: .
+      dockerfile: Dockerfile.keycloak
+    command: start --import-realm
+    environment:
+      KC_DB: postgres
+      KC_DB_URL_HOST: login-db
+      KC_DB_URL_PORT: 5432
+      KC_DB_URL_DATABASE: keycloak
+      KC_DB_USERNAME: keycloak
+      KC_DB_PASSWORD: keycloak
+      KEYCLOAK_ADMIN: admin
+      KEYCLOAK_ADMIN_PASSWORD: admin1!
+      KC_HOSTNAME: http://localhost:12345/
+      KC_HEALTH_ENABLED: true
+      KC_METRICS_ENABLED: true
+      KC_HTTP_ENABLED: true
+    ports:
+      - 12345:8080
+    volumes:
+      - ./test-realm.json:/opt/keycloak/data/import/realm.json:ro
+    depends_on:
+      login-db:
+        condition: service_healthy
+    healthcheck:
+      test: curl --head -fsS http://localhost:9000/health/ready || exit 1
+      interval: 5s
+      timeout: 2s
+      retries: 6
+      start_period: 5s
+
+  login-db:
+    image: postgres:16-alpine
+    environment:
+      POSTGRES_USER: keycloak
+      POSTGRES_PASSWORD: keycloak
+    healthcheck:
+      test: pg_isready -d keycloak
+      interval: 5s
+      timeout: 2s
+      retries: 3
+      start_period: 5s